Langreney report on climate insurability (2024)
A report delivered to the French government in April 2024 on adapting the insurance system to worsening climate risks.
The French natural catastrophe regime rests on a uniform surcharge and on the state guarantee through CCR; if climate claims rise faster than premiums, it runs a deficit, and entire areas risk no longer finding an insurer. The report, entrusted to a former insurance executive, a climate scientist and a risk management researcher, set out the diagnosis and proposed avenues: funding more prevention, better involving local authorities and policyholders in reducing risk, adjusting how the regime is funded. It serves as the reference for the French debate on the protection gap, because it frames the problem as one of national solidarity and not of pricing alone.
The report by Thierry Langreney, Gonéri Le Cozannet and Myriam Merad was delivered to the government in April 2024; the natural catastrophe surcharge, set at 12% of property premiums since 1999, had been raised to 20% from January 1, 2025 by a December 2023 decision that preceded the report.
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